Plumbing Design Drafter

We are seeking an experienced Plumbing Design Drafter to support the preparation, coordination and management of plumbing, sanitary, water supply and related civil / structural engineering drawings for building and construction projects in Singapore.

The successful candidate is expected to work independently with minimal supervision and be capable of producing coordinated construction drawings from engineering information, architectural drawings, structural drawings and site conditions.

Key Responsibilities

• Independently prepare, develop and revise detailed plumbing, sanitary, water supply and related engineering drawings for construction projects.

• Prepare detailed plans, layouts, sections, elevations, schematics, installation details and as-built drawings.

• Develop coordinated drawings based on architectural, structural, civil and M&E drawings.

• Carry out detailed drawing coordination and identify clashes, discrepancies, insufficient clearances and constructability issues before work proceeds on site.

• Coordinate plumbing and sanitary pipe routes, pipe sizes, gradients, invert levels, floor penetrations, sleeves, shafts, risers, sanitary appliances and related services.

• Prepare drawings for water supply, sanitary plumbing, drainage and sewerage-related works where required.

• Interpret consultants' drawings, engineering calculations, specifications and technical requirements and convert them into accurate construction drawings.

• Review and incorporate consultants', engineers', architects' and clients' comments into revised drawings.

• Produce shop drawings, coordination drawings and as-built drawings based on actual installation and site information.

• Conduct site surveys and take accurate site measurements when required.

• Verify site dimensions and actual site conditions against design and construction drawings.

• Coordinate drawing requirements with project managers, engineers, site supervisors, subcontractors and other M&E trades.

• Resolve drawing coordination issues with architectural, structural, electrical, mechanical and fire protection services.

• Maintain proper drawing revision control, drawing registers, submission records and technical documentation.

• Assist in preparation of authority submission drawings and supporting technical documents where required.

• Ensure drawings comply with applicable Singapore requirements, project specifications and established engineering drafting standards.

• Review drawings before issue and ensure dimensions, levels, references, annotations and technical details are complete and accurate.

• Support the engineering and project teams in resolving technical and site coordination matters.

• Perform other civil, structural, plumbing and engineering drafting duties required for project execution.

Essential Requirements

• Diploma or higher qualification in Civil Engineering, Structural Engineering, Mechanical Engineering, Building Services Engineering, Engineering Drafting or a closely related technical discipline.

• Minimum 5 years of relevant engineering drafting experience in plumbing, sanitary, civil, structural, M&E or building construction projects.

• Minimum 3 years of hands-on experience preparing plumbing and/or sanitary engineering drawings.

• Prior experience working on Singapore building or construction projects is required.

• Advanced proficiency in AutoCAD and ability to independently produce complete construction and coordination drawings.

• Good working knowledge of Revit and BIM-based coordination workflows.

• Able to independently read and interpret architectural, structural, civil and M&E construction drawings.

• Strong knowledge of plumbing and sanitary system layouts, including pipe routing, gradients, levels, risers, shafts, sanitary appliances and service coordination.

• Experience preparing shop drawings, coordination drawings and as-built drawings.

• Experience carrying out site measurements and translating actual site conditions into accurate drawings.

• Able to identify and resolve drawing clashes between plumbing systems and architectural, structural and other M&E services.

• Able to work from consultants' drawings and specifications with minimal supervision.

• Strong understanding of drawing scales, dimensions, levels, sections, elevations, construction details and engineering drawing conventions.

• Familiar with Singapore construction practices and relevant plumbing and sanitary requirements.

• Familiarity with PUB requirements and the Code of Practice on Sewerage and Sanitary Works.

• Familiarity with applicable Singapore water services requirements and standards.

• Strong drawing checking ability and attention to technical accuracy.

• Able to manage multiple drawing revisions and project deadlines simultaneously.

• Able to communicate and coordinate effectively with engineers, project managers, consultants and site personnel.

Preferred Technical Experience

Candidates with experience in several of the following areas will be preferred:

• AutoCAD

• Autodesk Revit

• BIM modelling and coordination

• Navisworks or equivalent clash detection software

• Plumbing and sanitary system design drafting

• Water supply systems

• Sewerage and sanitary works

• Civil and structural drawings

• M&E coordination

• Shop drawings

• Combined Services Drawings / CSD

• Builders' Work drawings

• As-built drawings

• Site surveys and measurements

• Authority submission drawings

• PUB requirements

• Singapore construction projects

• Drawing/document control

Required Competencies

The candidate should be able to demonstrate the ability to:

• Produce a complete plumbing or sanitary drawing package independently.

• Coordinate plumbing drawings against architectural, structural and M&E drawings.

• Detect drawing conflicts and propose practical routing or coordination solutions.

• Understand pipe gradients, levels and spatial coordination requirements.

• Review technical drawings critically instead of performing drafting work only from marked-up sketches.

• Translate site measurements and installation information into accurate as-built drawings.

• Work accurately under tight project deadlines.

• Maintain proper drawing revision and document-control discipline.

Employment Details

Job Title: Plumbing Design Drafter

Occupation Classification

31183 – Civil/Structural Engineering Draughtsman